Honeywell has combined tried and tested product features of the Elster and Instromet rotary meter product lines with new developments into a single meter.

Rotary-All-By-One “RABO,” simple, all-in-one!



5 meters sizes with capacities ranging from 3,500 up to 23,000 CFH
*2-3° 4° and 6° ANSI Class 125/160 flanged connections
  • High rangeability across the flow range
  • Low-pressure drop
  • Differential pressure test ports are standard
  • Two 1/4° NPT taps on inlet
  • Non lubricated and non-resettable index
  • Endview, rotatable index
  • Heavy duty, compact design
  • High impact resistant ultraviolet stabilized index cover
  • Anodized extruded aluminum body and impellersAnodized forged aluminum case covers
  • Permanently lubricated bearings